Card Range To Study

13 Cards in this Set

Acceleration of an object is proportional to the net force applied
-F prop. a

Force equals mass x acceleration

pressure gradient

The amount of pressure change that occurs over a given horizontal distance
The stronger the PGF (steeper gradient) the stronger the wind

Coriolis force

Arises from fact that earth is a rotating frame of reference, not stationary
changes wind direction, not wind speed
To be significant, the air must be MOVING; it must NOT be on the equator (0° latitude); and it must be LARGE SCALE.

Net result: winds deflected to the RIGHT in the N.H.

particulate matter

-particles may remain suspended in the atmosphere for several weeks
-particles are small enough to penetrate into the lungs
-particles can cause a significant reduction in visibility

This gas will replace oxygen in blood hemoglobin and thereby reduce the transport of
oxygen to the brain

carbon monoxide (CO)

Newton's first law of motion

An object at rest will remain at rest, or remains moving in a straight line, unless acted upon by a force(s).

if an object is changing direction (e.g., wind blowing around a low pressure system) then:

A force must be acting on it
It must be accelerating

Centripetal force

derived from: center + towards) found where wind circulates around a Low or High. It must exist because wind flowing around a curve (e.g., L or H) is accelerating (Newton’s second law) (see section 3, below)

Frictional force

reduces wind speed due to surface roughness such as mountains, forests,

{"cdnAssetsUrl":"\/\/fce-study.netdna-ssl.com\/efbaa37715b7","site_dot_caption":"Cram.com","premium_user":false,"premium_set":false,"payreferer":"clone_set","payreferer_set_title":"Nats vocab from Chapter 4 of essentials of Meteorology","payreferer_url":"\/flashcards\/copy\/nats-vocab-from-chapter-4-of-essentials-of-meteorology-278023","isGuest":true,"ga_id":"UA-272909-1","facebook":{"clientId":"363499237066029","version":"v2.2","language":"en_US"}}